AI agents call get_installed_query to retrieve information from TG_MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about installed queries in the TigerGraph database without creating, modifying, or deleting any data. It has no side effects and poses minimal risk if invoked by an AI agent, making it a straightforward Read category with low severity.
From the tool's definition Tool name 'get_installed_query' and description 'List all installed GSQL queries' indicate a retrieval operation with no data modification. The verb 'List' is a classic Read operation.
Attacks that exploit this kind of access
MCP tool: List all installed GSQL queries. It is categorised as a Read tool in the TG_MCP MCP Server, which means it retrieves data without modifying state.
Register the TG_ MCP server in PolicyLayer and add a rule for get_installed_query: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches TG_MCP. Nothing to install.
get_installed_query is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_installed_query rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_installed_query. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_installed_query is provided by the TG_ MCP server (muzain187/tg_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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